题目内容
4
87.5%
| 1 |
| 4 |
>
>
400% | 1 |
| 7 |
<
<
15% | 9 |
| 20 |
>
>
36%87.5%
=
=
| 7 |
| 8 |
| 9 |
| 101 |
<
<
9% | 1 |
| 3 |
>
>
33.3%分析:(1)4
=4.25=425%,425%>400%.
(2)
≈0.143=14.3%,14.3%<15%.
(3)
0.45=45%,45%>36%.
(4)
=0.875=87.5%.
(5)9%=
,分子相同的分数,分母大的小,因此,
<
.
(6)
=0.
,33.3%=0.333,0.
>0.333.
| 1 |
| 4 |
(2)
| 1 |
| 7 |
(3)
| 9 |
| 20 |
(4)
| 7 |
| 8 |
(5)9%=
| 9 |
| 100 |
| 9 |
| 101 |
| 9 |
| 100 |
(6)
| 1 |
| 3 |
| . |
| 3 |
| . |
| 3 |
解答:解:(1)4
>400%;
(2)
<15%;
(3)
>36%;
(4)87.5%=
;
(5)
<9%;
(6)
>33.3%.
故答案为:>,<,>,=,<,>.
| 1 |
| 4 |
(2)
| 1 |
| 7 |
(3)
| 9 |
| 20 |
(4)87.5%=
| 7 |
| 8 |
(5)
| 9 |
| 101 |
(6)
| 1 |
| 3 |
故答案为:>,<,>,=,<,>.
点评:分数、小数、百分数的大小比较,通常是都化成小数再进行比较,但要根据具体情况灵活掌握.
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